10 most difficult army riddles

Most American aircraft carriers are powered by two reactors. The only exception was the early-constructed USS Enterprise, having an eight-reactor propulsion design, with each A2W reactor taking the place of one of the conventional boilers in earlier constructions. Enterprise was meant to be the first of a class of six, but construction costs ballooned and the remaining vessels were never laid down. The design was replaced by two-reactor Nimitz class.

The USS Gerald R. Ford (CVN 78) was delivered to the US Navy in May 2017, while initial operational capability is anticipated to be achieved in 2020. Its full load displacement is 100,000 t. It has the capacity to carry more than 75 aircraft, and can accommodate 4,539 personnel including ship’s company, air wing and other support staff.

When going into battle, armoured battleships of the late 19th to mid 20th century still used a battle line formation in which one vessel followed another. However, moving ahead of the enemy line on a perpendicular course (crossing the T) enabled to use both the forward and rear turrets, while the enemy could user only front turret.

A Dear John letter is a letter written to a man by his wife or romantic partner to inform him their relationship is over because she has found another lover. While the exact origins of the phrase are unknown, it is commonly believed to have been coined by Americans during World War II. "John" was the most popular baby name for boys in America.

Admiral Kuznetsov is the only Russian carrier in service, launched in the 1985. Initially it was planned as a ship of a class, which was to replace Kiev class carriers. However, the collapse of the Soviet Union prevented successful completion and deployment of other vessels. One uncompleted ship Varyag was sold in Ukraine to China and become the first Chinese carrier, Liaoning.

The M84 grenade on the photo emits 170–180 decibels and 6–8 million Candela within a 5-foot (1.5 m) radius. The loud blast causes temporary loss of hearing, and also loss of balance by disturbing the fluid in the ear. The flash makes vision impossible for approximately five seconds.

Currently Vatican Swiss-Guard has 110 soldiers. The Vatican has somewhat less than thousand citizens.

A bearskin is a tall fur cap, usually worn as part of a ceremonial military uniform. Traditionally, the bearskin was the headgear of grenadiers and remains in use by grenadier and guards regiments in various armies such as U.S., United Kingdom, Canada or Belgium.

NATO's Headquarters are located in Haren, Brussels, Belgium, while the headquarters of Allied Command Operations is near Mons, Belgium.

The Lockheed C-130 Hercules is a four-engine turboprop military transport aircraft designed. The versatile airframe has found uses in a variety of other roles, including as a gunship (AC-130), for airborne assault, search and rescue, scientific research support, weather reconnaissance, aerial refueling, maritime patrol, and aerial firefighting. More than 40 variants of the Hercules, including a civilian one marketed as the Lockheed L-100, operate in more than 60 nations.